these 3 derivations will be built:
  /nix/store/8prqf28ncy6w6alxjahf2bsjhfj1bgjp-iets-fuzz-diff-0.0.0.drv
  /nix/store/l10chxnz9dklbx570q749xg59ixkwq6g-iets-fuzzers-0.0.0.drv
  /nix/store/2pzxg1j9y1c14qqjhpvhblwd3ngzm8y4-iets-fuzz-nar-check.drv